package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDateTime;
import java.util.Map;

@Mapper
public interface UserMapper {

    /**
     * 根据openid查询用户
     * @param openid
     * @return
     */
    @Select("select * from user where openid = #{openid}")
    User getByOpenid(String openid);

    /**
     * 插入数据
     * @param user
     */
    void insert(User user);

    /**
     * 根据id查询用户
     * @param userId
     * @return
     */
    @Select("select * from user where id = #{userId}")
	User getById(Long userId);

	/**
	 * 查找当天的用户总量
	 * @param endTime
	 * @return
	 */
	@Select("select count(*) from user where create_time < #{endTime}")
	Long selectTotalUser(LocalDateTime endTime);

	/**
	 * 查找当天的新增用户量
	 * @param beginTime
	 * @param endTime
	 * @return
	 */
	@Select("select count(*) from user where create_time between #{beginTime} and #{endTime}")
	Long selectNewUser(LocalDateTime beginTime, LocalDateTime endTime);

	/**
	 * 根据动态条件统计用户数量
	 * @param map
	 * @return
	 */
	Integer countByMap(Map map);
}